// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build unix && !android && !openbsd

// Required for darwin ucontext.
#define _XOPEN_SOURCE
// Required for netbsd stack_t if _XOPEN_SOURCE is set.
#define _XOPEN_SOURCE_EXTENDED	1
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"

#include <assert.h>
#include <pthread.h>
#include <stddef.h>
#include <stdio.h>

// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || solaris || windows

package net

import (
	"runtime"
	"testing"
)

func TestTCPConnKeepAliveConfigDialer(t *testing.T) {
	maybeSkipKeepAliveTest(t)

	t.Cleanup(func() {

	// Note: the size of the buffer is small enough that the loop
	// below will need to execute multiple times. See issue #31368.
	size := N * unsafe.Offsetof(syscall.Dirent{}.Name) / 4
	if runtime.GOOS == "freebsd" || runtime.GOOS == "netbsd" {
		if size < 1024 {
			size = 1024 // DIRBLKSIZ, see issue 31403.
		}
	}

	// Make a directory containing N files
	d := t.TempDir()

	var files []string
	for i := 0; i < N; i++ {

		t.Errorf("close()=%d, want -1", c)
	}
}

func TestCrashDumpsAllThreads(t *testing.T) {
	if *flagQuick {
		t.Skip("-quick")
	}

	switch runtime.GOOS {
	case "darwin", "dragonfly", "freebsd", "linux", "netbsd", "openbsd", "illumos", "solaris":
	default:
		t.Skipf("skipping; not supported on %v", runtime.GOOS)
	}

	if runtime.GOOS == "openbsd" && (runtime.GOARCH == "arm" || runtime.GOARCH == "mips64" || runtime.GOARCH == "ppc64") {

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd

package net

import (
	"fmt"
	"os"
	"os/exec"
	"runtime"
	"strings"
	"testing"
	"time"
)

type testInterface struct {
	name         string
	local        string
	remote       string

// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build darwin || dragonfly || freebsd || netbsd || openbsd

// Berkeley packet filter for BSD variants

package syscall

import (
	"unsafe"
)

// Deprecated: Use golang.org/x/net/bpf instead.
func BpfStmt(code, k int) *BpfInsn {

		var gotSum int
		for _, v := range writeLog.log {
			gotSum += v
		}

		var wantSum int
		switch runtime.GOOS {
		case "aix", "android", "darwin", "ios", "dragonfly", "freebsd", "illumos", "linux", "netbsd", "openbsd", "solaris":
			var wantMinCalls int
			wantSum = want.Len()
			v := chunks
			for v > 0 {
				wantMinCalls++
				v -= 1024
			}
			if len(writeLog.log) < wantMinCalls {

func checkGdbEnvironment(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	switch runtime.GOOS {
	case "darwin":
		t.Skip("gdb does not work on darwin")
	case "netbsd":
		t.Skip("gdb does not work with threads on NetBSD; see https://golang.org/issue/22893 and https://gnats.netbsd.org/52548")
	case "linux":
		if runtime.GOARCH == "ppc64" {
			t.Skip("skipping gdb tests on linux/ppc64; see https://golang.org/issue/17366")
		}

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build dragonfly || freebsd || linux || netbsd || openbsd

package main

import (
	"bytes"
	"cmd/internal/buildid"
	"cmd/internal/notsha256"
	"cmd/link/internal/ld"
	"debug/elf"
	"fmt"
	"internal/platform"
	"internal/testenv"
	"os"
	"os/exec"
	"path/filepath"

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build darwin || dragonfly || freebsd || netbsd || openbsd

package runtime

// Integrated network poller (kqueue-based implementation).

import (
	"internal/goarch"
	"internal/runtime/atomic"
	"unsafe"
)

var (
	kq             int32         = -1